Selenium: origin, benefits, deficiencies
Publié le 14-01-2021 et mis à jour le 11-06-2025
Selenium is a trace element with multiple powers and is essential for our body! It has an antioxidant role and is very often used in dietary supplements, working in synergy with vitamins A, E, and C. What is its origin? What are its benefits? And how can deficiencies be avoided?
Origins of selenium
Selenium is one of the essential trace elements for the body. It is a very powerful antioxidant that detoxifies the body from heavy metals, protects against cardiovascular diseases, and supports the immune system.
How to stock up on selenium?
You can find selenium in our D-LAB dietary supplements, notably in:
- The Liver Detox, a concentrate of depurative phytotherapy that stimulates toxin elimination, fights heavy metals, and sustainably protects the liver, the body's filter organ. Quickly, the complexion is clearer and fatigue is reduced.
- The Skin Detox, a perfect formula for skin with imperfections or that varies according to the hormonal cycle. It purifies, regulates, soothes, and protects.
- The Balance Activator, an expert formula composed of 15 active ingredients that work in synergy to rebalance the body. It stimulates serotonin, regulates neuro-hormonal activity, promotes restorative sleep, and brings vitality daily.
Selenium is mainly found in seafood products, especially in fish, shrimp, oysters, langoustines, and crab. It is also found in meat and offal. Tomatoes, pears, oranges, leeks, onions, turnips, and other cruciferous vegetables are also a very good source of selenium.
If you do not eat meat, you can find it in whole grains, nuts, lentils, chickpeas, flax seeds, and Brazil nuts. Just one Brazil nut per day can provide you with the recommended necessary amount!
The recommended daily intake of selenium is 60 micrograms for a woman and 70 micrograms for a man.
Be careful not to consume selenium excessively! Consumed in excess, selenium can cause side effects such as hair loss, nausea, fatigue, and digestive disorders.
The benefits of selenium
Selenium has anti-aging and anti-virus powers. It is a remarkable essential antioxidant for our body.
What are its main virtues?
It protects our cells and our eyes thanks to its antioxidant effect. It enables the production of an enzyme called glutathione peroxidase, which, combined with vitamin E, will protect cell membranes from oxidation caused by free radicals. It would thus delay diseases related to oxidative stress such as AMD (age-related macular degeneration), which is the leading cause of vision loss in France among people over 50.
A champion of preventive medicine, it defends the body's cells against certain cancers, protects the nervous system from neuronal damage by preventing Alzheimer's disease.
It is a precious aid in defending us against viruses and acts as a powerful stimulant within our immune system. This trace element also plays a role in the proper functioning of the thyroid and testosterone.
Excellent detoxifier, it helps the body cleanse itself by participating in the elimination of heavy metals harmful to our body. It neutralizes toxic waste and prevents fat plaques from forming on the inner walls of our arteries, which is mainly due to bad cholesterol.
For beauty, selenium is your ally against the harmful effects of the sun, it facilitates tanning and helps protect your skin from sunburn. It is also an excellent anti-aging agent as it slows down skin aging.
To strengthen your hair especially in winter, we recommend a selenium cure or taking a hair dietary supplement that contains it!
What are the symptoms of selenium deficiency?
The main symptoms of selenium deficiency are fatigue, muscle weakness, joint pain, immunodeficiency, a deficiency in sperm production and thyroid problems.
The symptoms affecting our mood include anxiety, a depressive mood and mood swings.
Selenium is an essential trace element for the proper functioning of our body and for the beauty of our skin but beware of overdosing which can cause harmful effects on your body!
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